arch/mips/dec/promcon.c

   1 /*
   2  * Wrap-around code for a console using the
   3  * DECstation PROM io-routines.
   4  *
   5  * Copyright (c) 1998 Harald Koerfgen
   6  */
   7
   8 #include <linux/tty.h>
   9 #include <linux/ptrace.h>
  10 #include <linux/init.h>
  11 #include <linux/console.h>
  12 #include <linux/fs.h>
  13
  14 #include <asm/dec/prom.h>
  15
  16 static void prom_console_write(struct console *co, const char *s,
  17                                unsigned count)
  18 {
  19         unsigned i;
  20
  21         /*
  22          *    Now, do each character
  23          */
  24         for (i = 0; i < count; i++) {
  25                 if (*s == 10)
  26                         prom_printf("%c", 13);
  27                 prom_printf("%c", *s++);
  28         }
  29 }
  30
  31 static int __init prom_console_setup(struct console *co, char *options)
  32 {
  33         return 0;
  34 }
  35
  36 static struct console sercons =
  37 {
  38         .name   = "ttyS",
  39         .write  = prom_console_write,
  40         .setup  = prom_console_setup,
  41         .flags  = CON_PRINTBUFFER,
  42         .index  = -1,
  43 };
  44
  45 /*
  46  *    Register console.
  47  */
  48
  49 static int __init prom_console_init(void)
  50 {
  51         register_console(&sercons);
  52
  53         return 0;
  54 }
  55 console_initcall(prom_console_init);